The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | Wirtz Christopher P. | Chief Accounting Officer | Tax withholding(F) | 1K | $69.54 | $91K |
| May 13, 2026 | Wirtz Christopher P. | Chief Accounting Officer | Sell(S) | 700 | $77.22 | $54K |
| May 12, 2026 | Argo Laurie H | Director | Sell(S) | 5K | $72.88 | $379K |
| May 11, 2026 | Powell Christopher M | Chief Legal Officer | Sell(S) | 2K | $75.33 | $164K |
| May 11, 2026 | Powell Christopher M | Chief Legal Officer | Sell(S) | 25K | $74.84 | $1.9M |
| May 11, 2026 | Powell Christopher M | Chief Legal Officer | Sell(S) | 9K | $73.90 | $678K |
| May 8, 2026 | Teague Aj | Director | Buy(P) | 3K | $72.98 | $201K |
| May 8, 2026 | Walker Ray N JR | Director | Sell(S) | 57K | $72.11 | $4.1M |
| May 8, 2026 | Teague Aj | Director | Buy(P) | 3K | $72.98 | $250K |
| May 6, 2026 | Keenan W Howard JR | Director | Conversion(C) | 2.0M | — | — |
| May 6, 2026 | Keenan W Howard JR | Director | Sell(S) | 2.0M | $74.50 | $149.0M |
| May 6, 2026 | Keenan W Howard JR | Director | Conversion(C) | 2.0M | — | $0 |
| May 6, 2026 | Keenan W Howard JR | Director | Other(J) | 2.0M | — | $0 |
| Apr 30, 2026 | KTR Management Company, LLC | 10% Owner | Conversion(C) | 2.0M | — | $0 |
| Apr 30, 2026 | KTR Management Company, LLC | 10% Owner | Sell(S) | 2.0M | $70.75 | $141.5M |
| Apr 30, 2026 | KTR Management Company, LLC | 10% Owner | Conversion(C) | 2.0M | — | $0 |
| Apr 30, 2026 | KTR Management Company, LLC | 10% Owner | Other(J) | 2.0M | — | $0 |
| Mar 1, 2026 | Zartler William A | Chairman and Co-CEO, Director, 10% Owner | Grant(A) | 150K | — | $0 |
| Mar 1, 2026 | Zartler William A | Chairman and Co-CEO, Director, 10% Owner | Grant(A) | 116K | — | $0 |
| Mar 1, 2026 | Brock Amanda M | Co-Chief Executive Officer, Director | Grant(A) | 135K | — | $0 |
| Mar 1, 2026 | Ramachandran Kyle S. | President | Grant(A) | 50K | — | $0 |
| Mar 1, 2026 | Ramachandran Kyle S. | President | Grant(A) | 37K | — | $0 |
| Mar 1, 2026 | Ramachandran Kyle S. | President | Tax withholding(F) | 50K | $49.63 | $2.5M |
| Mar 1, 2026 | Powell Christopher M | Chief Legal Officer | Grant(A) | 18K | — | $0 |
| Mar 1, 2026 | Powell Christopher M | Chief Legal Officer | Tax withholding(F) | 28K | $49.63 | $1.4M |
| Mar 1, 2026 | Powell Christopher M | Chief Legal Officer | Grant(A) | 30K | — | $0 |
| Mar 1, 2026 | Durrett Cynthia M. | Chief Administrative Officer, Director | Grant(A) | 29K | — | $0 |
| Mar 1, 2026 | Durrett Cynthia M. | Chief Administrative Officer, Director | Grant(A) | 21K | — | $0 |
| Mar 1, 2026 | Durrett Cynthia M. | Chief Administrative Officer, Director | Tax withholding(F) | 27K | $49.63 | $1.3M |
| Mar 1, 2026 | Wirtz Christopher P. | Chief Accounting Officer | Tax withholding(F) | 2K | $49.63 | $109K |
| Mar 1, 2026 | Wirtz Christopher P. | Chief Accounting Officer | Grant(A) | 2K | — | $0 |
| Mar 1, 2026 | Wirtz Christopher P. | Chief Accounting Officer | Grant(A) | 3K | — | $0 |
| Feb 12, 2026 | Tompsett Stephan E | Chief Financial Officer | Grant(A) | 30K | — | $0 |
| Dec 17, 2025 | Teague Aj | Director | Buy(P) | 2K | $43.11 | $100K |
| Dec 17, 2025 | Teague Aj | Director | Buy(P) | 2K | $43.13 | $100K |
| Dec 17, 2025 | Argo Laurie H | Director | Sell(S) | 2K | $44.25 | $102K |
| Dec 17, 2025 | Durrett Cynthia M. | CHIEF ADMINISTRATIVE OFFICER, Director | Sell(S) | 47K | $44.62 | $2.1M |
| Dec 17, 2025 | Brock Amanda M | Co-Chief Executive Officer, Director | Buy(P) | 4K | $40.89 | $150K |
| Dec 10, 2025 | Burke James R | Director | Sell(S) | 11K | $53.03 | $598K |
| Nov 6, 2025 | Tuma John | 10% Owner | Conversion(C) | 2.1M | — | $0 |
| Nov 4, 2025 | Tuma John | 10% Owner | Conversion(C) | 2.1M | — | $0 |
| Nov 4, 2025 | Tuma John | 10% Owner | Sell(S) | 2.1M | $50.15 | $106.1M |
| Nov 4, 2025 | Tuma John | 10% Owner | Other(J) | 2.1M | — | $0 |
| Nov 4, 2025 | KTR Management Company, LLC | 10% Owner | Conversion(C) | 2.1M | — | $0 |
| Oct 16, 2025 | Brock Amanda M | Co-Chief Executive Officer, Director | Grant(A) | 125K | — | $0 |
| Sep 10, 2025 | Burke James R | Director | Sell(S) | 5K | $29.22 | $146K |
| Sep 9, 2025 | Ramachandran Kyle S. | PRESIDENT AND CFO | Buy(P) | 2K | $25.00 | $50K |
| Sep 9, 2025 | Zartler William A | CHAIRMAN AND CEO, Director, 10% Owner | Buy(P) | 10K | $24.83 | $248K |
| Aug 26, 2025 | Powell Christopher M | CHIEF LEGAL OFFICER | Sell(S) | 13K | $30.00 | $383K |
| Aug 25, 2025 | Giesinger Edgar R. JR. | Director | Sell(S) | 10K | $28.86 | $289K |
| Aug 23, 2025 | Giesinger Edgar R. JR. | Director | Grant(A) | 6K | — | $0 |
| Aug 23, 2025 | Argo Laurie H | Director | Grant(A) | 6K | — | $0 |
| Aug 23, 2025 | Teague Aj | Director | Grant(A) | 6K | — | $0 |
| Aug 23, 2025 | Keenan W Howard JR | Director | Grant(A) | 6K | — | $0 |
| Aug 23, 2025 | Walker Ray N JR | Director | Grant(A) | 6K | — | $0 |
| Aug 23, 2025 | Yzaguirre Mario Max | Director | Grant(A) | 6K | — | $0 |
| Aug 23, 2025 | Burke James R | Director | Grant(A) | 6K | — | $0 |
| Aug 6, 2025 | KTR Management Company, LLC | 10% Owner | Other(J) | 4.0M | — | $0 |
| Aug 6, 2025 | KTR Management Company, LLC | 10% Owner | Conversion(C) | 4.0M | — | $0 |
| Aug 6, 2025 | KTR Management Company, LLC | 10% Owner | Sell(S) | 4.0M | $29.50 | $118.0M |
| Aug 6, 2025 | KTR Management Company, LLC | 10% Owner | Conversion(C) | 4.0M | — | $0 |
| Jul 28, 2025 | J Turbines, Inc. | 10% Owner | Other(J) | 4.0M | — | $0 |
| Jul 28, 2025 | J Turbines, Inc. | 10% Owner | Conversion(C) | 4.0M | — | $0 |
| Jul 28, 2025 | J Turbines, Inc. | 10% Owner | Sell(S) | 4.0M | $30.30 | $121.2M |
| Jul 28, 2025 | J Turbines, Inc. | 10% Owner | Conversion(C) | 4.0M | — | $0 |
| Jun 5, 2025 | Johnson John Abraham | 10% Owner | Sell(S) | 75K | $28.10 | $2.1M |
| Jun 4, 2025 | Johnson John Abraham | 10% Owner | Sell(S) | 75K | $27.56 | $2.1M |
| Jun 3, 2025 | Johnson John Abraham | 10% Owner | Other(J) | 150K | — | $0 |
| Jun 3, 2025 | Johnson John Abraham | 10% Owner | Conversion(C) | 150K | — | $0 |
| Jun 3, 2025 | Johnson John Abraham | 10% Owner | Conversion(C) | 150K | — | $0 |
| Jun 1, 2025 | Wirtz Christopher P. | CHIEF ACCOUNTING OFFICER | Tax withholding(F) | 1K | $27.43 | $36K |
| May 23, 2025 | Teague Aj | Director | Buy(P) | 1K | $26.73 | $27K |
| May 23, 2025 | Teague Aj | Director | Buy(P) | 1K | $26.77 | $27K |
| May 21, 2025 | Zartler William A | CHAIRMAN AND CEO, Director, 10% Owner | Buy(P) | 10K | $21.78 | $218K |
| May 5, 2025 | J Turbines, Inc. | 10% Owner | Sell(S) | 1.9M | $20.60 | $38.1M |
| May 5, 2025 | J Turbines, Inc. | 10% Owner | Conversion(C) | 1.9M | — | $0 |
| May 5, 2025 | J Turbines, Inc. | 10% Owner | Other(J) | 1.9M | — | $0 |
| May 5, 2025 | J Turbines, Inc. | 10% Owner | Conversion(C) | 1.9M | — | $0 |
| May 1, 2025 | Teague Aj | Director | Buy(P) | 1K | $22.61 | $23K |
| May 1, 2025 | Teague Aj | Director | Buy(P) | 1K | $22.58 | $23K |
| Mar 11, 2025 | Argo Laurie H | Director | Buy(P) | 4K | $22.43 | $90K |
| Mar 7, 2025 | Zartler William A | CHAIRMAN AND CEO, Director, 10% Owner | Buy(P) | 10K | $23.23 | $232K |
| Mar 6, 2025 | Burke James R | Director | Buy(P) | 800 | $24.29 | $19K |
| Mar 6, 2025 | Teague Aj | Director | Buy(P) | 2K | $24.18 | $48K |
| Mar 6, 2025 | Teague Aj | Director | Buy(P) | 2K | $24.02 | $48K |
| Mar 6, 2025 | Zartler William A | CHAIRMAN AND CEO, Director, 10% Owner | Buy(P) | 10K | $24.07 | $241K |
| Mar 6, 2025 | Burke James R | Director | Buy(P) | 800 | $24.29 | $19K |
| Mar 6, 2025 | Teague Aj | Director | Buy(P) | 2K | $24.18 | $48K |
| Mar 6, 2025 | Teague Aj | Director | Buy(P) | 2K | $24.02 | $48K |
| Mar 1, 2025 | Zartler William A | CHAIRMAN AND CEO, Director, 10% Owner | Tax withholding(F) | 81K | $34.15 | $2.8M |
| Mar 1, 2025 | Zartler William A | CHAIRMAN AND CEO, Director, 10% Owner | Grant(A) | 225K | — | $0 |
| Mar 1, 2025 | Ramachandran Kyle S. | PRESIDENT AND CFO | Grant(A) | 65K | — | $0 |
| Mar 1, 2025 | Ramachandran Kyle S. | PRESIDENT AND CFO | Tax withholding(F) | 33K | $34.15 | $1.1M |
| Mar 1, 2025 | Price Kelly L. | Insider | Tax withholding(F) | 23K | $34.15 | $774K |
| Mar 1, 2025 | Powell Christopher M | CHIEF LEGAL OFFICER | Grant(A) | 30K | — | $0 |
| Mar 1, 2025 | Powell Christopher M | CHIEF LEGAL OFFICER | Tax withholding(F) | 16K | $34.15 | $558K |
| Mar 1, 2025 | Durrett Cynthia M. | CHIEF ADMINISTRATIVE OFFICER, Director | Tax withholding(F) | 16K | $34.15 | $553K |
| Mar 1, 2025 | Durrett Cynthia M. | CHIEF ADMINISTRATIVE OFFICER, Director | Grant(A) | 34K | — | $0 |
| Mar 1, 2025 | Wirtz Christopher P. | CHIEF ACCOUNTING OFFICER | Tax withholding(F) | 1K | $34.15 | $44K |
| Mar 1, 2025 | Wirtz Christopher P. | CHIEF ACCOUNTING OFFICER | Grant(A) | 6K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-01-04 → 2026-07-20. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).